Spectroscopic Binary Stars

Avior, Epsilon Carinae (ε Car), is a double star located in the southern constellation Carina. With a combined apparent magnitude of 1.86, the star system is the third brightest point of light in Carina, after […]

Baten Kaitos, Zeta Ceti (ζ Cet), is a double star located in the constellation Cetus. It marks the belly of Cetus, the mythical sea monster killed by Perseus. With an apparent magnitude of 3.742, it […]

Alpheratz, Alpha Andromedae (α And), is a spectroscopic binary star located in the constellation Andromeda. It marks Andromeda’s head. With a combined apparent magnitude of 2.06, it is one of the two brightest stars in […]

Thuban, Alpha Draconis (α Dra), is a spectroscopic binary star system located in the constellation Draco. Even though it has the designation Alpha, it is only the eighth brightest star in Draco. It has an […]

Sheratan, Beta Arietis (β Ari), is a spectroscopic binary star located in the constellation Aries. It lies at a distance of 59.6 light years from Earth. With an apparent magnitude of 2.655, it is the […]

Spica, Alpha Virginis (α Vir), is a blue-white spectroscopic binary star located at a distance of 250 light years from Earth in the constellation Virgo. With an apparent magnitude of 0.97, it is the brightest […]

Rigel, Beta Orionis (β Ori), is a blue-white supergiant star located in the constellation Orion, the Hunter. With an apparent magnitude of 0.13, it is the brightest star in Orion and the seventh brightest star […]